2 Copyright (C) 2003, 2010 - Wolfire Games
4 This file is part of Lugaru.
6 Lugaru is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License
8 as published by the Free Software Foundation; either version 2
9 of the License, or (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
15 See the GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #define UINT8 WIN32API_UINT8
25 #define UINT16 WIN32API_UINT16
26 #define boolean WIN32API_boolean
40 #define INT32 INT32_jpeg
50 static bool load_image(const char * fname, TGAImageRec & tex);
51 static bool load_png(const char * fname, TGAImageRec & tex);
52 static bool load_jpg(const char * fname, TGAImageRec & tex);
53 bool save_image(const char * fname);
54 static bool save_png(const char * fname);
57 #include "openal_wrapper.h"
59 extern float multiplier;
61 extern float realmultiplier;
63 extern bool cellophane;
64 extern float texdetail;
68 extern bool stillloading;
70 /*extern*/ bool gameFocused;
72 extern float slomospeed;
73 extern float slomofreq;
83 #include "MacCompatibility.h"
88 #include "win-res/resource.h"
93 SDL_Rect **resolutions = NULL;
94 static SDL_Rect rect_1024_768 = { 0, 0, 1024, 768 };
95 static SDL_Rect rect_800_600 = { 0, 0, 800, 600 };
96 static SDL_Rect rect_640_480 = { 0, 0, 640, 480 };
97 static SDL_Rect *hardcoded_resolutions[] = {
109 // statics/globals (internal only) ------------------------------------------
112 #pragma warning(push)
113 #pragma warning(disable: 4273)
116 #define GL_FUNC(ret,fn,params,call,rt) \
118 static ret (GLAPIENTRY *p##fn) params = NULL; \
119 ret GLAPIENTRY fn params { rt p##fn call; } \
128 static bool lookup_glsym(const char *funcname, void **func)
130 *func = SDL_GL_GetProcAddress(funcname);
133 fprintf(stderr, "Failed to find OpenGL symbol \"%s\"\n", funcname);
139 static bool lookup_all_glsyms(void)
142 #define GL_FUNC(ret,fn,params,call,rt) \
143 if (!lookup_glsym(#fn, (void **) &p##fn)) retval = false;
149 static void GLAPIENTRY glDeleteTextures_doNothing(GLsizei n, const GLuint *textures)
157 #define MessageBox(hwnd,text,title,flags) STUBBED("msgbox")
164 Boolean gDone = false;
167 static int _argc = 0;
168 static char **_argv = NULL;
171 bool cmdline(const char *cmd)
173 for (int i = 1; i < _argc; i++)
175 char *arg = _argv[i];
178 if (strcasecmp(arg, cmd) == 0)
185 //-----------------------------------------------------------------------------------------------------------------------
190 glClear( GL_COLOR_BUFFER_BIT );
194 glDisable( GL_ALPHA_TEST);
195 glDisable( GL_BLEND);
196 glDisable( GL_DEPTH_TEST);
197 // glDisable( GL_DITHER);
199 glDisable( GL_LIGHTING);
200 glDisable( GL_LOGIC_OP);
201 glDisable( GL_TEXTURE_1D);
202 glDisable( GL_TEXTURE_2D);
203 glPixelTransferi( GL_MAP_COLOR, GL_FALSE);
204 glPixelTransferi( GL_RED_SCALE, 1);
205 glPixelTransferi( GL_RED_BIAS, 0);
206 glPixelTransferi( GL_GREEN_SCALE, 1);
207 glPixelTransferi( GL_GREEN_BIAS, 0);
208 glPixelTransferi( GL_BLUE_SCALE, 1);
209 glPixelTransferi( GL_BLUE_BIAS, 0);
210 glPixelTransferi( GL_ALPHA_SCALE, 1);
211 glPixelTransferi( GL_ALPHA_BIAS, 0);
213 // set initial rendering states
214 glShadeModel( GL_SMOOTH);
216 glDepthFunc( GL_LEQUAL);
217 glDepthMask( GL_TRUE);
218 // glDepthRange( FRONT_CLIP, BACK_CLIP);
219 glEnable( GL_DEPTH_TEST);
220 glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
221 glCullFace( GL_FRONT);
222 glEnable( GL_CULL_FACE);
223 glEnable( GL_LIGHTING);
224 // glEnable( GL_LIGHT_MODEL_AMBIENT);
225 glEnable( GL_DITHER);
226 glEnable( GL_COLOR_MATERIAL);
227 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
228 glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
229 glAlphaFunc( GL_GREATER, 0.5f);
231 if ( CanInitStereo(stereomode) ) {
232 InitStereo(stereomode);
234 fprintf(stderr, "Failed to initialize stereo, disabling.\n");
235 stereomode = stereoNone;
239 static void toggleFullscreen(){
240 SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
241 //~ SDL_Surface* screen=SDL_GetVideoSurface();
242 //~ Uint32 flags=screen->flags;
243 //~ screen=SDL_SetVideoMode(0,0,0,flags^SDL_FULLSCREEN);
245 //~ screen=SDL_SetVideoMode(0,0,0,flags);
248 //~ //reload opengl state
250 //~ for(std::vector<TextureInfo>::iterator it=Game::textures.begin(); it!=Game::textures.end(); it++) {
253 //~ pgame->text.BuildFont();
254 //~ pgame->LoadScreenTexture();
257 static void sdlEventProc(const SDL_Event &e)
260 case SDL_MOUSEMOTION:
261 deltah += e.motion.xrel;
262 deltav += e.motion.yrel;
266 if ((e.key.keysym.sym == SDLK_g) &&
267 (e.key.keysym.mod & KMOD_CTRL) &&
268 !(SDL_GetVideoSurface()->flags & SDL_FULLSCREEN) ) {
269 SDL_WM_GrabInput( ((SDL_WM_GrabInput(SDL_GRAB_QUERY)==SDL_GRAB_ON) ? SDL_GRAB_OFF:SDL_GRAB_ON) );
270 } else if ( (e.key.keysym.sym == SDLK_RETURN) && (e.key.keysym.mod & KMOD_ALT) ) {
279 // --------------------------------------------------------------------------
281 static Point gMidPoint;
298 if (!SDL_WasInit(SDL_INIT_VIDEO))
299 if (SDL_Init(SDL_INIT_VIDEO) == -1)
301 fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
304 if(!LoadSettings()) {
305 fprintf(stderr, "Failed to load config, creating default\n");
308 if(kBitsPerPixel!=32&&kBitsPerPixel!=16){
312 if (SDL_GL_LoadLibrary(NULL) == -1)
314 fprintf(stderr, "SDL_GL_LoadLibrary() failed: %s\n", SDL_GetError());
319 SDL_Rect **res = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_OPENGL);
320 if ( (res == NULL) || (res == ((SDL_Rect **)-1)) || (res[0] == NULL) || (res[0]->w < 640) || (res[0]->h < 480) )
321 res = hardcoded_resolutions;
323 // reverse list (it was sorted biggest to smallest by SDL)...
325 for (count = 0; res[count]; count++)
327 if ((res[count]->w < 640) || (res[count]->h < 480))
328 break; // sane lower limit.
331 static SDL_Rect *resolutions_block = NULL;
332 resolutions_block = (SDL_Rect*) realloc(resolutions_block, sizeof (SDL_Rect) * count);
333 resolutions = (SDL_Rect**) realloc(resolutions, sizeof (SDL_Rect *) * (count + 1));
334 if ((resolutions_block == NULL) || (resolutions == NULL))
337 fprintf(stderr, "Out of memory!\n");
341 resolutions[count--] = NULL;
342 for (int i = 0; count >= 0; i++, count--)
344 memcpy(&resolutions_block[count], res[i], sizeof (SDL_Rect));
345 resolutions[count] = &resolutions_block[count];
348 if (cmdline("showresolutions"))
350 printf("Resolutions we think are okay:\n");
351 for (int i = 0; resolutions[i]; i++)
352 printf(" %d x %d\n", (int) resolutions[i]->w, (int) resolutions[i]->h);
355 Uint32 sdlflags = SDL_OPENGL;
357 if (!cmdline("windowed"))
358 sdlflags |= SDL_FULLSCREEN;
360 SDL_WM_SetCaption("Lugaru", "Lugaru");
364 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
365 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1);
366 #if SDL_VERSION_ATLEAST(1, 2, 10)
367 SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, vblsync);
370 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
372 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
373 fprintf(stderr, "forcing 640x480...\n");
375 kContextHeight = 480;
376 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
378 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
379 fprintf(stderr, "forcing 640x480 windowed mode...\n");
380 sdlflags &= ~SDL_FULLSCREEN;
381 if (SDL_SetVideoMode(kContextWidth, kContextHeight, 0, sdlflags) == NULL)
383 fprintf(stderr, "SDL_SetVideoMode() failed: %s\n", SDL_GetError());
390 if ((SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &dblbuf) == -1) || (!dblbuf))
392 fprintf(stderr, "Failed to get double buffered GL context!\n");
397 if (!lookup_all_glsyms())
403 if (!cmdline("nomousegrab"))
404 SDL_WM_GrabInput(SDL_GRAB_ON);
409 GLint width = kContextWidth;
410 GLint height = kContextHeight;
411 gMidPoint.h = width / 2;
412 gMidPoint.v = height / 2;
417 newscreenwidth=screenwidth;
418 newscreenheight=screenheight;
426 static void DoMouse()
429 if(mainmenu|| ( (abs(deltah)<10*realmultiplier*1000) && (abs(deltav)<10*realmultiplier*1000) ))
431 deltah *= usermousesensitivity;
432 deltav *= usermousesensitivity;
433 mousecoordh += deltah;
434 mousecoordv += deltav;
437 else if (mousecoordh >= kContextWidth)
438 mousecoordh = kContextWidth - 1;
441 else if (mousecoordv >= kContextHeight)
442 mousecoordv = kContextHeight - 1;
447 void DoFrameRate (int update)
449 static long frames = 0;
451 static AbsoluteTime time = {0,0};
452 static AbsoluteTime frametime = {0,0};
453 AbsoluteTime currTime = UpTime ();
454 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, frametime);
456 if (0 > deltaTime) // if negative microseconds
457 deltaTime /= -1000000.0;
458 else // else milliseconds
461 multiplier=deltaTime;
462 if(multiplier<.001) multiplier=.001;
463 if(multiplier>10) multiplier=10;
464 if(update) frametime = currTime; // reset for next time interval
466 deltaTime = (float) AbsoluteDeltaToDuration (currTime, time);
468 if (0 > deltaTime) // if negative microseconds
469 deltaTime /= -1000000.0;
470 else // else milliseconds
473 if (0.001 <= deltaTime) // has update interval passed
476 time = currTime; // reset for next time interval
485 static float sps=200;
487 static float oldmult;
490 if(multiplier>.6)multiplier=.6;
494 count = multiplier*sps;
497 realmultiplier=multiplier;
498 multiplier*=gamespeed;
499 if(difficulty==1)multiplier*=.9;
500 if(difficulty==0)multiplier*=.8;
502 if(loading==4)multiplier*=.00001;
503 if(slomo&&!mainmenu)multiplier*=slomospeed;
505 multiplier/=(float)count;
511 for(int i=0;i<count;i++)
518 /* - Debug code to test how many channels were active on average per frame
519 static long frames = 0;
521 static AbsoluteTime start = {0,0};
522 AbsoluteTime currTime = UpTime ();
523 static int num_channels = 0;
525 num_channels += OPENAL_GetChannelsPlaying();
526 double deltaTime = (float) AbsoluteDeltaToDuration (currTime, start);
528 if (0 > deltaTime) // if negative microseconds
529 deltaTime /= -1000000.0;
530 else // else milliseconds
538 float avg_channels = (float)num_channels / (float)frames;
540 ofstream opstream("log.txt",ios::app);
541 opstream << "Average frame count: ";
543 opstream << " frames - ";
544 opstream << avg_channels;
545 opstream << " per frame.\n";
552 if ( stereomode == stereoNone ) {
553 DrawGLScene(stereoCenter);
555 DrawGLScene(stereoLeft);
556 DrawGLScene(stereoRight);
560 // --------------------------------------------------------------------------
568 #define GL_FUNC(ret,fn,params,call,rt) p##fn = NULL;
571 // cheat here...static destructors are calling glDeleteTexture() after
572 // the context is destroyed and libGL unloaded by SDL_Quit().
573 pglDeleteTextures = glDeleteTextures_doNothing;
577 // --------------------------------------------------------------------------
579 static bool IsFocused()
581 return ((SDL_GetAppState() & SDL_APPINPUTFOCUS) != 0);
587 // (code lifted from physfs: http://icculus.org/physfs/ ... zlib license.)
588 static char *findBinaryInPath(const char *bin, char *envr)
590 size_t alloc_size = 0;
598 ptr = strchr(start, ':'); /* find next $PATH separator. */
602 size = strlen(start) + strlen(bin) + 2;
603 if (size > alloc_size)
605 char *x = (char *) realloc(exe, size);
617 /* build full binary path... */
619 if ((exe[0] == '\0') || (exe[strlen(exe) - 1] != '/'))
623 if (access(exe, X_OK) == 0) /* Exists as executable? We're done. */
625 strcpy(exe, start); /* i'm lazy. piss off. */
629 start = ptr + 1; /* start points to beginning of next element. */
630 } while (ptr != NULL);
635 return(NULL); /* doesn't exist in path. */
636 } /* findBinaryInPath */
639 char *calcBaseDir(const char *argv0)
641 /* If there isn't a path on argv0, then look through the $PATH for it. */
645 const char *ptr = strrchr((char *)argv0, '/');
646 if (strchr(argv0, '/'))
648 retval = strdup(argv0);
650 *((char *) strrchr(retval, '/')) = '\0';
654 envr = getenv("PATH");
655 if (!envr) return NULL;
657 if (!envr) return NULL;
658 retval = findBinaryInPath(argv0, envr);
663 static inline void chdirToAppPath(const char *argv0)
665 char *dir = calcBaseDir(argv0);
668 #if (defined(__APPLE__) && defined(__MACH__))
669 // Chop off /Contents/MacOS if it's at the end of the string, so we
670 // land in the base of the app bundle.
671 const size_t len = strlen(dir);
672 const char *bundledirs = "/Contents/MacOS";
673 const size_t bundledirslen = strlen(bundledirs);
674 if (len > bundledirslen)
676 char *ptr = (dir + len) - bundledirslen;
677 if (strcasecmp(ptr, bundledirs) == 0)
688 int main(int argc, char **argv)
695 // !!! FIXME: we could use a Win32 API for this. --ryan.
697 chdirToAppPath(argv[0]);
707 //ofstream os("error.txt");
709 //ofstream os("log.txt");
715 while (!gDone&&!tryquit)
721 // check windows messages
728 while( SDL_PollEvent( &e ) )
730 if( e.type == SDL_QUIT )
746 // allow game chance to pause
751 // game is not in focus, give CPU time to other apps by waiting for messages instead of 'peeking'
753 SDL_WaitEvent((SDL_Event*)&evt);
754 if (evt.type == SDL_ACTIVEEVENT && evt.gain == 1)
756 else if (evt.type == SDL_QUIT)
768 catch (const std::exception& error)
772 std::string e = "Caught exception: ";
777 MessageBox(g_windowHandle, error.what(), "ERROR", MB_OK | MB_ICONEXCLAMATION);
787 // --------------------------------------------------------------------------
790 bool LoadImage(const char * fname, TGAImageRec & tex)
792 if ( tex.data == NULL )
795 return load_image(fname, tex);
798 void ScreenShot(const char * fname)
805 static bool load_image(const char *file_name, TGAImageRec &tex)
807 const char *ptr = strrchr((char *)file_name, '.');
810 if (strcasecmp(ptr+1, "png") == 0)
811 return load_png(file_name, tex);
812 else if (strcasecmp(ptr+1, "jpg") == 0)
813 return load_jpg(file_name, tex);
816 STUBBED("Unsupported image type");
821 struct my_error_mgr {
822 struct jpeg_error_mgr pub; /* "public" fields */
823 jmp_buf setjmp_buffer; /* for return to caller */
825 typedef struct my_error_mgr * my_error_ptr;
828 static void my_error_exit(j_common_ptr cinfo)
830 struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
831 longjmp(err->setjmp_buffer, 1);
834 /* stolen from public domain example.c code in libjpg distribution. */
835 static bool load_jpg(const char *file_name, TGAImageRec &tex)
837 struct jpeg_decompress_struct cinfo;
838 struct my_error_mgr jerr;
839 JSAMPROW buffer[1]; /* Output row buffer */
840 int row_stride; /* physical row width in output buffer */
841 FILE *infile = fopen(file_name, "rb");
846 cinfo.err = jpeg_std_error(&jerr.pub);
847 jerr.pub.error_exit = my_error_exit;
848 if (setjmp(jerr.setjmp_buffer)) {
849 jpeg_destroy_decompress(&cinfo);
854 jpeg_create_decompress(&cinfo);
855 jpeg_stdio_src(&cinfo, infile);
856 (void) jpeg_read_header(&cinfo, TRUE);
858 cinfo.out_color_space = JCS_RGB;
859 cinfo.quantize_colors = 0;
860 (void) jpeg_calc_output_dimensions(&cinfo);
861 (void) jpeg_start_decompress(&cinfo);
863 row_stride = cinfo.output_width * cinfo.output_components;
864 tex.sizeX = cinfo.output_width;
865 tex.sizeY = cinfo.output_height;
868 while (cinfo.output_scanline < cinfo.output_height) {
869 buffer[0] = (JSAMPROW)(char *)tex.data +
870 ((cinfo.output_height-1) - cinfo.output_scanline) * row_stride;
871 (void) jpeg_read_scanlines(&cinfo, buffer, 1);
874 (void) jpeg_finish_decompress(&cinfo);
875 jpeg_destroy_decompress(&cinfo);
882 /* stolen from public domain example.c code in libpng distribution. */
883 static bool load_png(const char *file_name, TGAImageRec &tex)
885 bool hasalpha = false;
886 png_structp png_ptr = NULL;
887 png_infop info_ptr = NULL;
888 png_uint_32 width, height;
889 int bit_depth, color_type, interlace_type;
890 png_byte **rows = NULL;
892 png_byte **row_pointers = NULL;
893 FILE *fp = fopen(file_name, "rb");
898 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
902 info_ptr = png_create_info_struct(png_ptr);
903 if (info_ptr == NULL)
906 if (setjmp(png_jmpbuf(png_ptr)))
909 png_init_io(png_ptr, fp);
910 png_read_png(png_ptr, info_ptr,
911 PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_PACKING,
913 png_get_IHDR(png_ptr, info_ptr, &width, &height,
914 &bit_depth, &color_type, &interlace_type, NULL, NULL);
916 if (bit_depth != 8) // transform SHOULD handle this...
919 if (color_type & PNG_COLOR_MASK_PALETTE) // !!! FIXME?
922 if ((color_type & PNG_COLOR_MASK_COLOR) == 0) // !!! FIXME?
925 hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
926 row_pointers = png_get_rows(png_ptr, info_ptr);
932 png_byte *dst = tex.data;
933 for (int i = height-1; i >= 0; i--)
935 png_byte *src = row_pointers[i];
936 for (int j = 0; j < width; j++)
950 png_byte *dst = tex.data;
951 int pitch = width * 4;
952 for (int i = height-1; i >= 0; i--, dst += pitch)
953 memcpy(dst, row_pointers[i], pitch);
962 png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
969 bool save_image(const char *file_name)
971 const char *ptr = strrchr((char *)file_name, '.');
974 if (strcasecmp(ptr+1, "png") == 0)
975 return save_png(file_name);
978 STUBBED("Unsupported image type");
983 static bool save_png(const char *file_name)
986 png_structp png_ptr = NULL;
987 png_infop info_ptr = NULL;
990 fp = fopen(file_name, "wb");
994 png_bytep *row_pointers = new png_bytep[kContextHeight];
995 png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
996 if ((!screenshot) || (!row_pointers))
1000 glReadPixels(0, 0, kContextWidth, kContextHeight,
1001 GL_RGB, GL_UNSIGNED_BYTE, screenshot);
1002 if (glGetError() != GL_NO_ERROR)
1005 for (int i = 0; i < kContextHeight; i++)
1006 row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight-1) - i)) * 3);
1008 png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
1009 if (png_ptr == NULL)
1012 info_ptr = png_create_info_struct(png_ptr);
1013 if (info_ptr == NULL)
1016 if (setjmp(png_jmpbuf(png_ptr)))
1019 png_init_io(png_ptr, fp);
1021 if (setjmp(png_jmpbuf(png_ptr)))
1024 png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
1025 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
1026 PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
1028 png_write_info(png_ptr, info_ptr);
1030 if (setjmp(png_jmpbuf(png_ptr)))
1033 png_write_image(png_ptr, row_pointers);
1035 if (setjmp(png_jmpbuf(png_ptr)))
1038 png_write_end(png_ptr, NULL);
1042 png_destroy_write_struct(&png_ptr, &info_ptr);
1043 delete[] screenshot;
1044 delete[] row_pointers;
1048 unlink(ConvertFileName(file_name));